/*
 * Copyright (C) 2010 Eric Bottard
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.excilys.oss.dao.dynamicfinders;

/**
 * One of the possible criteria in a finder method, along with the number of
 * arguments that are expected.
 * 
 * @author Eric Bottard
 * 
 */
public enum Comparator {

	Equals(1), LessThan(1), LessThanEquals(1), GreaterThan(1), GreaterThanEquals(
			1), Like(1), Ilike(1), NotEqual(1), Between(2), IsNotNull(0), IsNull(
			0);

	public final int nbArguments;

	private Comparator(int argumentsNeeded) {
		this.nbArguments = argumentsNeeded;
	}

}
